Bathroom scale



FIG. 1 is a top, front, and left side perspective view of the bathroom scale, showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a back view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a bathroom scale, as shown and described. 